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Tuesday, May 03, 2005

Last night I had a dream about pirates and down-closed subsets; I think my thesis is taking over my brain. Speaking of which, I intend to continue discussing my thesis stuff that I was talking about earlier, I just need to understand it a bit more myself :) For now, here's an interesting factoid: take ab, the category of abelian groups and group homomorphisms between them. Reverse all the arrows in that category, and what do you get? The category of compact topological groups. How wacky is that?
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